Niram Maaratha Pookkal (English : Flowers that don't change colors) is a 1979 Tamil language feature film directed by P. Bharathiraja.[2][3] It stars Sudhakar, Raadhika Sarathkumar and Vijayan in the lead roles with Rati Agnihotri in a supporting role and was released on 31 August 1979.
All characters in the movie were named after the original names of the actors. Sudhakar (Sudhakar) is a poor young man desperately looking for work. One day he has a skirmish with Radhika (Raadhika Sarathkumar), a rich girl and lone daughter of a businessman Selladurai, in a telephone booth. Radhika finds out that Sudhakar is searching for a job from his diary that he leaves at the booth. She employs him in her father's firm as a manager and soon they mutually fall in love. Radhika's class-conscious father initially opposes but later reluctantly agrees to have them married. However things take a turn when his business friend Sivaraman, to whom he owes a lot of favours, visits him and reminds him of his old promise to get Radhika married to Sivaraman's son Vijayan. And soon after Sudhakar goes missing with five lakhs of the office cash on his way to Bombay and is presumed to have absconded. Radhika is heart-broken and her father takes her to Sivaraman's estate in Ooty to relax for a while.